Alert archive / Iowa / Tornado Warnings in 1992

Tornado Warning 8, NWS Des Moines, IA

June 16, 1992Bremer County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 16, 1992, 3:21 PM CDT for Bremer County, Iowa. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1992, 3:21 PM CDT (20:21 UTC)
Expired
Jun 16, 1992, 4:00 PM CDT
In force
39 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Bremer County, IA

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 8.4 hours before the alert went out and 253 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1992-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1992-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KALO 162024
TORALO
IAC017-162100-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WATERLOO IA
321 PM CDT TUE JUN 16 1992
 
THE NATIONAL WEATHER SERVICE IN WATERLOO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  400 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST IOWA
 
   ...SOUTHERN BREMER COUNTY
 
AT 322 PM CDT FUNNEL CLOUDS WERE REPORTED AT THE INTERSECTION OF C57 AND
WAGNER ROAD. THE FUNNEL CLOUDS WERE MOVING NORTHEAST AT AROUND 30 MPH.
 
CITIES IN THE PATH OF THIS STORM ARE DENVER...READLYN...TRIPOLI AND
SUMNER.
 
DURING A TORNADO...THE SAFEST PLACE IS IN A BASEMENT.  GET UNDER
A WORKBENCH OR PIECE OF STURDY FURNITURE.  IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON
THE LOWEST FLOOR.  AVOID WINDOWS.
 
COLLAR/SPEECE

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 16, 9:53 AM CDT, 5 hours 28 minutes before
IAZALL-161540-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
950 AM CDT TUE JUN 16 1992

AT 932 AM CDT...SCATTERED SHOWERS AND ISOLATED STRONG THUNDERSTORMS
CONTINUED OVER FAR NORTHEAST IOWA...WHILE SHOWERS AND ISOLATED
THUNDERSTORMS CONTINUED OVER SOUTH CENTRAL AND SOUTHEAST IOWA. OVER
FAR NORTHEAST IOWA THE SHOWERS AND STORMS WERE NORTHEAST OF A LINE
FROM THE IOWA/MINNESOTA BORDER 55 MILES NORTH OF WATERLOO...NEAR
MCINTIRE SOUTHEAST TO DUBUQUE. THE STRONGEST STORM IN THIS AREA WAS
35 MILES NORTHEAST OF WATERLOO NEAR WEST UNION. THIS STORM WILL PRODUCE
VER HEAVY RAIN...DEADLY LIGHTNING AND SMALL HAIL.

OVER SOUTH CENTRAL AND SOUTHEAST IOWA THE SHOWERS AND ISOLATED STORMS
WERE LOCATED SOUTHEAST OF A LINE FROM 5 MILES EAST OF LAMONI NORTHEAST
TO OTTUMWA THEN SOUTHEAST TO BURLINGTON.

A SMALL CLUSTER OF SHOWERS AND THUNDERSTORMS HAD JUST DEVELOPED OVER
SOUTHWEST IOWA. THIS CLUSTER WAS CENTERED 60 MILES SOUTHWEST OF
DES MOINES.

THE SHOWERS AND STORMS OVER NORTHEAST IOWA WERE MOVING NORTHEAST AT 35
MILES AN HOUR...WHILE THE SHOWERS AND STORMS OVER SOUTH CENTRAL AND
SOUTHEAST IOWA WERE MOVING EAST AT 20 MILES AN HOUR. MOVEMENT OF THE
SHOWERSr AND STORMS OVER SOUTHWEST IOWA HAD NOT YET BEEN DETERMINED.

BARLOW
Special weather statement, Jun 16, 11:35 AM CDT, 3 hours 46 minutes before
IAZALL-161750-

PUBLIC SEVERE WEATHER OUTLOOK...
NATIONAL WEATHER SERVICE KANSAS CITY MO
KANSAS CITY MISSOURI
1130 AM CDT TUESDAY JUNE 16 1992

..TORNADO OUTBREAK EXPECTED THIS AFTERNOON AND TONIGHT OVER
  PARTS OF THE CENTRAL PLAINS AND THE MIDDLE MISSISSIPPI VALLEY...

THE NATIONAL SEVERE STORMS FORECAST CENTER IN KANSAS CITY MISSOURI
IS FORECASTING AN OUTBREAK OF SEVERE THUNDERSTORMS AND TORNADOES
THIS AFTERNOON AND TONIGHT OVER PARTS OF THE CENTRAL PLAINS STATES AND
THE MIDDLE MISSISSIPPI VALLEY.

MOST OF IOWA IS INCLUDED IN THIS AREA.

SOME OF THE THUNDERSTORMS  WILL BE CAPABLE OF PRODUCING STRONG
DAMAGING TORNADOES IN ADDITION TO LARGE HAIL AND DAMAGING WINDS. THE
INTENSE NATURE OF THIS STORM SYSTEM INDICATES THUNDERSTORMS MAY REMAIN
SEVERE WELL INTO WEDNESDAY MORNING.

EMERGENCY MANAGEMENT COORDINATORS AND SEVERE STORM SPOTTERS ARE URGED
TO BE ON THE ALERT FOR THE LIKELIHOOD OF SEVERE WEATHER.

ALL PERSONS IN THE THREATEN$ED AREA ARE URGED TO REVIEW SAFETY RULES
THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION FOR IOWA AND SHOULD
BE MONITORED CLOSELY.

WEINBRECHT/ANDERSON
Special weather statement, Jun 16, 11:41 AM CDT, 3 hours 40 minutes before
IAZALL-161750-

PUBLIC SEVERE WEATHER OUTLOOK...CORRECTION CHANGED HEADER
NATIONAL WEATHER SERVICE DES MOINES IA
1130 AM CDT TUESDAY JUNE 16 1992

..TORNADO OUTBREAK EXPECTED THIS AFTERNOON AND TONIGHT OVER
  PARTS OF THE CENTRAL PLAINS AND THE MIDDLE MISSISSIPPI VALLEY...

THE NATIONAL SEVERE STORMS FORECAST CENTER IN KANSAS CITY MISSOURI
IS FORECASTING AN OUTBREAK OF SEVERE THUNDERSTORMS AND TORNADOES
THIS AFTERNOON AND TONIGHT OVER PARTS OF THE CENTRAL PLAINS STATES AND
THE MIDDLE MISSISSIPPI VALLEY.

MOST OF IOWA IS INCLUDED IN THIS AREA.

SOME OF THE THUNDERSTORMS  WILL BE CAPABLE OF PRODUCING STRONG
DAMAGING TORNADOES IN ADDITION TO LARGE HAIL AND DAMAGING WINDS. THE
INTENSE NATURE OF THIS STORM SYSTEM INDICATES THUNDERSTORMS MAY REMAIN
SEVERE WELL INTO WEDNESDAY MORNING.
/

EMERGENCY MANAGEMENT COORDINATORS AND SEVERE STORM SPOTTERS ARE URGED
TO BE ON THE ALERT FOR THE LIKELIHOOD OF SEVERE WEATHER.

ALL PERSONS IN THE THREATENED AREA ARE URGED TO REVIEW SAFETY RULES
THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION FOR IOWA AND SHOULD
BE MONITORED CLOSELY.

WEINBRECHT/ANDERSON

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 2:46 PM CDTSevere Thunderstorm WarningDMXBlack Hawk59 min
Jun 16, 3:03 PM CDTTornado WarningDMXBlack Hawk57 min
Jun 16, 3:11 PM CDTTornado WarningDMXBlack Hawk64 min
Jun 16, 4:01 PM CDTSevere Thunderstorm WarningDMXBremer, Chickasaw, Fayette44 min

Nearby

Tornado Warnings in Iowa, 1992Every tornado warning in 1992Tornadoes in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.